Talvez deva tentar algumas variações de ortografia:
nart computers » cars computers (Expandir a Pesquisa), board computers (Expandir a Pesquisa), large computers (Expandir a Pesquisa)
natl compared » nacl compared (Expandir a Pesquisa), nail compared (Expandir a Pesquisa), acl compared (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
can newts » can newly (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
j nart » _ nart (Expandir a Pesquisa), j nare (Expandir a Pesquisa), j narr (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j natl compared can new ) OR ( j nartl comp can newts ))) OR ( j nart computers can now ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl compared can new ) OR ( j nartl comp can newts ))) OR ( j nart computers can now ))*.